#!/usr/bin/env python3

import sys
import glob
import os
import re
import subprocess
import json
import argparse

from tools import uncompress_file_to_dir, get_file_info, make_complete_mar_name
from signing import sign_mar_file
from path import UpdaterPath, convert_to_unix, convert_to_native


def main():
    parser = argparse.ArgumentParser()
    parser.add_argument('product_name')
    parser.add_argument('workdir')
    parser.add_argument('filename_prefix')
    parser.add_argument('certificate_path')
    parser.add_argument('certificate_name')
    parser.add_argument('base_url')
    parser.add_argument('version')
    args = parser.parse_args()

    certificate_path = args.certificate_path
    certificate_name = args.certificate_name
    base_url = args.base_url
    filename_prefix = args.filename_prefix
    workdir = args.workdir
    product_name = args.product_name
    version = args.version

    update_path = UpdaterPath(workdir)
    update_path.ensure_dir_exist()

    target_dir = update_path.get_update_dir()
    temp_dir = update_path.get_current_build_dir()

    tar_file_glob = os.path.join(update_path.get_workdir(), "installation", product_name, "archive", "install", "*", f'{product_name}_*_archive*')
    tar_files = glob.glob(tar_file_glob)
    if len(tar_files) != 1:
        raise Exception(f'`{tar_file_glob}` does not match exactly one file')
    tar_file = tar_files[0]

    uncompress_dir = uncompress_file_to_dir(tar_file, temp_dir)

    metadatafile = os.path.join(
        update_path.get_workdir(), 'installation', product_name, 'archive', 'install', 'metadata')
    ifsfile = os.path.join(update_path.get_mar_dir(), 'ifs')
    with open(metadatafile) as meta, open(ifsfile, 'w') as ifs:
        for l in meta:
            m = re.fullmatch('(skip|cond) (.*)', l.rstrip())
            if m and m.group(2).startswith(f'{product_name}/'):
                path = m.group(2)[len(f'{product_name}/'):]
                if m.group(1) == 'skip':
                    os.remove(os.path.join(uncompress_dir, path))
                else:
                    ifs.write(f'"{path}" "{path}"\n')

    mar_file = make_complete_mar_name(target_dir, filename_prefix)
    path = os.path.join(
        workdir, 'UnpackedTarball/onlineupdate/tools/update-packaging/make_full_update.sh')
    os.putenv('MOZ_PRODUCT_VERSION', version)
    os.putenv('MAR_CHANNEL_ID', 'LOOnlineUpdater')
    subprocess.call([
        path, convert_to_native(mar_file), convert_to_native(uncompress_dir),
        convert_to_native(ifsfile)])

    sign_mar_file(target_dir, certificate_path, certificate_name, mar_file, filename_prefix)

    file_info = {'complete': get_file_info(mar_file, base_url)}

    with open(os.path.join(target_dir, 'complete_info.json'), "w") as complete_info_file:
        json.dump(file_info, complete_info_file, indent=4)


if __name__ == '__main__':
    main()